| ; RUN: llc < %s -march=ppc32 | FileCheck %s |
| |
| define i32 @exchange_and_add(i32* %mem, i32 %val) nounwind { |
| ; CHECK: exchange_and_add: |
| ; CHECK: lwarx |
| %tmp = call i32 @llvm.atomic.load.add.i32.p0i32(i32* %mem, i32 %val) |
| ; CHECK: stwcx. |
| ret i32 %tmp |
| } |
| |
| define i32 @exchange_and_cmp(i32* %mem) nounwind { |
| ; CHECK: exchange_and_cmp: |
| ; CHECK: lwarx |
| %tmp = call i32 @llvm.atomic.cmp.swap.i32.p0i32(i32* %mem, i32 0, i32 1) |
| ; CHECK: stwcx. |
| ; CHECK: stwcx. |
| ret i32 %tmp |
| } |
| |
| define i32 @exchange(i32* %mem, i32 %val) nounwind { |
| ; CHECK: exchange: |
| ; CHECK: lwarx |
| %tmp = call i32 @llvm.atomic.swap.i32.p0i32(i32* %mem, i32 1) |
| ; CHECK: stwcx. |
| ret i32 %tmp |
| } |
| |
| declare i32 @llvm.atomic.load.add.i32.p0i32(i32* nocapture, i32) nounwind |
| |
| declare i32 @llvm.atomic.cmp.swap.i32.p0i32(i32* nocapture, i32, i32) nounwind |
| |
| declare i32 @llvm.atomic.swap.i32.p0i32(i32* nocapture, i32) nounwind |